EP 1583258 A1 20051005 - Array antenna radio communication apparatuses
Title (en)
Array antenna radio communication apparatuses
Title (de)
Funkkommunikationsvorrichtung mit Antennenfeld
Title (fr)
Dispositif de radiocommunication avec réseau d'antennes
Publication
Application
Priority
JP 2004099299 A 20040330
Abstract (en)
A searcher unit realizes stable operation of the a communication system and improves system capacity by improving path detection characteristics in the baseband processing unit of a receiving apparatus using an array antenna. An array antenna radio communication apparatus comprises a searcher unit (20) operable to receive signals from at least a portion of an array antenna (21) having a plurality of antenna elements and operable to detect a path-timing of the received signals, the searcher unit comprising a correlation unit (22) operable to obtain first correlation values as correlation values of the received signals, an antenna-to-antenna correlation unit (23) operable to obtain second correlation values as correlation values of the first correlation values, and a path-timing detecting unit (27) operable to detect path-timing based on amplitude information obtained from the second correlation values, and a signal processing unit (12) operable to execute despreading of signals received from the antenna elements based on the path-timing obtained from the searcher unit.
IPC 1-7
IPC 8 full level
H04B 1/707 (2011.01); H04B 1/7097 (2011.01); H04B 7/08 (2006.01); H04B 7/10 (2006.01)
CPC (source: EP US)
H04B 7/0854 (2013.01 - EP US)
Citation (applicant)
- JP 2002084216 A 20020322 - FUJITSU LTD
- EP 1231720 A2 20020814 - NEC CORP [JP]
- JP 2002084216 A 20020322 - FUJITSU LTD
Citation (search report)
- [X] EP 1231720 A2 20020814 - NEC CORP [JP]
- [X] JP 2002084216 A 20020322 - FUJITSU LTD
- [A] EP 1265377 A2 20021211 - NEC CORP [JP]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1583258 A1 20051005; EP 1583258 B1 20110420; CN 1677894 A 20051005; DE 602004032306 D1 20110601; JP 2005286784 A 20051013; JP 4329594 B2 20090909; US 2005219122 A1 20051006; US 6985106 B2 20060110
DOCDB simple family (application)
EP 04255514 A 20040913; CN 200510053707 A 20050310; DE 602004032306 T 20040913; JP 2004099299 A 20040330; US 92120104 A 20040819